PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 3259445-21 1988 However, inositol 1,4,5-triphosphate released Ca2+ from the stores and 1,2-diolein, an activator of protein kinase C, enhanced the contractions induced by 0.3 microM Ca2+. diolein 71-82 LOW QUALITY PROTEIN: carbonic anhydrase 2 Cavia porcellus 166-169